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Exam (elaborations)

Electrical Theory Practice Test Questions And Answers 100% Guaranteed Success.

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  • Electrical Theory Practice
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  • Electrical Theory Practice

Electrical Theory Practice Test Questions And Answers 100% Guaranteed Success. Voltmeter - correct answer. A high resistance is connected in series with the internal coil of a galvanometer to make? If a transformer ratio is 20/1, what does it mean for the secondary? - correct answ...

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  • October 14, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Electrical Theory Practice
  • Electrical Theory Practice
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Electrical Theory Practice Test Questions
And Answers 100% Guaranteed Success.


Voltmeter - correct answer. A high resistance is connected in series with the internal
coil of a galvanometer to make?

If a transformer ratio is 20/1, what does it mean for the secondary? - correct answer.
The primary voltage is 20 times greater than that of the secondary.

If a motor enclosure is designed to contain sparks or flashes that could ignite
surrounding vapors or gases, then the enclosure is considered to be which of the
following: - correct answer. Ventilated

The output of a 3-phase transformer is measured in what units? - correct answer.
Amperes

In order to change the rotation of a DC series motor, what must be done? - correct
answer. F1 and F2 must be reversed.

What does Bonding do? - correct answer. Controls the load on the system installation

A meter used to measure both AC and DC voltage and current is known as? - correct
answer. Multimeter

What material is used on conduits inside and outside of a box? - correct answer.
Couplings

If a transformer has a voltage step-down from 117 volts to 6 volts then the ratio of the
transformer is equal to what? - correct answer. 1: 19, 5

If the power factor of a circuit is increased, then what occurs? - correct answer. The
reactive power is decreased

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